src/test/ui/issues/issue-22034.rs

   1 #![feature(rustc_private)]
   2
   3 extern crate libc;
   4
   5 fn main() {
   6     let ptr: *mut () = core::ptr::null_mut();
   7     let _: &mut dyn Fn() = unsafe {
   8         &mut *(ptr as *mut dyn Fn())
   9         //~^ ERROR expected a `Fn<()>` closure, found `()`
  10     };
  11 }